SNCB Class 18
E781951
The SNCB Class 18 is a series of Belgian electric locomotives used for passenger services, derived from and visually similar to the French BB 15000 design.
All labels observed (2)
| Label | Occurrences |
|---|---|
| SNCB Class 18 canonical | 1 |
| SNCB Class 27 | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T9174740 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: SNCB Class 18 Context triple: [BB 15000, inspiredDesignOf, SNCB Class 18]
-
A.
SNCF Class B 81500
The SNCF Class B 81500 is a type of bi-mode regional multiple unit train operated in France for local and regional passenger services.
-
B.
SNCF Class B 84500
The SNCF Class B 84500 is a type of modern bi-mode regional multiple unit train operated in France for medium-distance passenger services.
-
C.
SNCF Class B 82500
The SNCF Class B 82500 is a type of bi-mode regional multiple unit train operated in France for medium-distance passenger services.
-
D.
SNCF Class Z 24500
The SNCF Class Z 24500 is a series of French double-deck electric multiple unit trains designed for regional passenger services.
-
E.
SNCF Class Z 51500
The SNCF Class Z 51500 is a type of modern electric multiple unit train operated in regional passenger service across the French railway network.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: SNCB Class 18 Target entity description: The SNCB Class 18 is a series of Belgian electric locomotives used for passenger services, derived from and visually similar to the French BB 15000 design.
-
A.
SNCF Class B 81500
The SNCF Class B 81500 is a type of bi-mode regional multiple unit train operated in France for local and regional passenger services.
-
B.
SNCF Class B 84500
The SNCF Class B 84500 is a type of modern bi-mode regional multiple unit train operated in France for medium-distance passenger services.
-
C.
SNCF Class B 82500
The SNCF Class B 82500 is a type of bi-mode regional multiple unit train operated in France for medium-distance passenger services.
-
D.
SNCF Class Z 24500
The SNCF Class Z 24500 is a series of French double-deck electric multiple unit trains designed for regional passenger services.
-
E.
SNCF Class Z 51500
The SNCF Class Z 51500 is a type of modern electric multiple unit train operated in regional passenger service across the French railway network.
- F. None of above. chosen
Statements (30)
| Predicate | Object |
|---|---|
| instanceOf |
SNCB locomotive class
ⓘ
electric locomotive class ⓘ |
| brakeType |
air brakes
ⓘ
electrodynamic brakes ⓘ |
| bufferType | side buffers ⓘ |
| continent | Europe ⓘ |
| controlType | electric multiple-unit compatible ⓘ |
| countryOfOperation | Belgium NERFINISHED ⓘ |
| couplingType | screw coupling ⓘ |
| derivedFrom | SNCF BB 15000 NERFINISHED ⓘ |
| designSimilarity | SNCF BB 15000 NERFINISHED ⓘ |
| electrificationSystem |
25 kV AC
ⓘ
3 kV DC ⓘ |
| gauge | standard gauge ⓘ |
| hasCab | dual cab ⓘ |
| livery | SNCB passenger livery ⓘ |
| locationCountry | Belgium NERFINISHED ⓘ |
| operator |
NMBS
NERFINISHED
ⓘ
SNCB NERFINISHED ⓘ |
| powerType | electric ⓘ |
| railwayCompany | National Railway Company of Belgium NERFINISHED ⓘ |
| railwayNetwork | Belgian railway network ⓘ |
| region | Europe ⓘ |
| serviceRole |
express passenger
ⓘ
intercity passenger ⓘ |
| serviceType | mainline passenger ⓘ |
| trackGauge | 1435 mm ⓘ |
| tractionType | electric ⓘ |
| UICClassification | Bo′Bo′ ⓘ |
| usedFor | passenger services ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: SNCB Class 18 Description of subject: The SNCB Class 18 is a series of Belgian electric locomotives used for passenger services, derived from and visually similar to the French BB 15000 design.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
subject surface form:
BB 15000
subject surface form:
BB 15000
this entity surface form:
SNCB Class 27